3W Prolight RGB LED Flashlight Modification, retail ()
Manufactured by ()
Last updated 07-22-08

It looks like a Mag-Lite.
It feels like a Mag-Lite.
It smells like a Mag-Lite.
But it certainly does not behave like a Mag-Lite when you fire it up!!!

This flashlight was originally a Mag-Lite 2C until J.R. from Candlepower Forums got his hands on it.

Now, it sports an ultrabright Prolight RGB LED on an "O-Sink", the electronics from a Sauce Lightwand, power transistors on the Sauce circuit's outputs so the higher current needs of the Prolight LED can be accomodated, and a 14500 lithium-ion (Li:ION) rechargeable battery (physically, the same size as a standard AA cell) in the barrel to power everything with!!!


This flashlight has five different modes (four actually do something) and several effects you can apply to each mode. To access these modes, just push the button.
  • Color wash - smoothly cycles through the rainbow.
  • Random color - flashes the LED with random colors.
  • Fixed color - the LED stays a single color of your choosing.
  • Strobe - emits intense flashes of purplish-white light
  • Off - Turns the unit off.
There are also two "secret" holiday-themed modes and a third "secret" mode available, but I won't spoil the surprise by revealing their locations to you.

Press the button once for color wash, twice for random, three times for fixed color, four times for strobe, and the fifth press turns it off.
Once you have a mode you want, pushing and holding down the button changes the effect on that mode. The changing of an effect is announced by the light very briefly winking off, this lets you know to be ready to let the button go when you reach an effect you like, or continue holding until your desired effect does come up.

The flashlight will turn off automatically after ten minutes of disuse, preserving battery life. However, if you wish, the circuitry in there allows you to defeat the Auto-Off mode for extended use. To deactivate Auto-Off, turn the flashlight off, then press & hold the button for ten seconds. The blue die (light-emitting region) of the LED will come on to indicate auto-off has been defeated. The next time you use this light, auto-off will automatically be re-instated.

To charge the Li:ION battery inside this flashlight, unscrew and remove the tailcap of the flashlight, and set it aside.

Tip the flashlight so the tail aims downward, and (if necessary) gently shake the flashlight until the battery carrier falls out. Don't reef on it, because the wires attaching it to the upper part of the light might become broken if you do. Remove the battery from this carrier.

Insert the battery into the charging cradle of whatever Li:ION charger you have, and charge it until the charger indicates the battery is fully charged (usually, a light will turn green).

Insert the newly-charged battery back into the battery carrier on the light, being certain to orient the flat-end (-) negative of it with the spring for it in the carrier.

Slide the carrier back inside the flashlight's barrel, and screw the tailcap back on.

Close-up photograph of the Prolight RGB LED in this flashlight.

Because this is a one-of-a-kind product, I will not perform "The Toilet Test" or "The Smack Test" on it. If I do these tests and somehow manage to destroy the flashlight, I would not be able to obtain another.
I know you like to see me try to drown or break things, but ain't gonna happen today folks.
Custom, one-of-a-kind flashlights are made to be loved... not punished!

Beam photo at ~12".

Unit with the white diffuser cap on.

Spectrographic plot
Spectrographic analysis of the LED (red die) in this flashlight.

Spectrographic plot
Spectrographic analysis of the LED (green die) in this flashlight.
That slight "hump" in the blue is because the blue die was on dimly when this spectrographic analysis was performed.

Spectrographic plot
Spectrographic analysis of the LED (blue die) in this flashlight.

Spectrographic plot
Spectrographic analysis of the LED (all three dice - in "white strobe" mode) in this flashlight.
USB2000 spectrometer graciously donated by P.L.

Quicktime movie (.mov extension) showing part of the Prolight RGB LED flashlight's patterns.
This clip is approximately 4.2 megabytes (4,464,272 bytes) in length; dial-up users please be aware.
It will take no less than twenty minutes to load at 48.0Kbps.
I cannot provide it in other formats, so please do not ask.

Test unit was purchased on Ebay and was received on the afternoon of 09-15-05.

UPDATE: 02-19-08
I am saddened to report that the creator of this light, Jeffrey Rice (aka "Wildrice" on Candlepower Forums) passed away on 02-01-08.
This web page is in Jeff's memory.
Even though this product was babied because it is not a commercial product, I'll be even more careful with it now.



    PRODUCT TYPE: Color-changing LED flashlight
    LAMP TYPE: 3W RGB Prolight LED
    No. OF LAMPS: 1
    BEAM TYPE: Variable in focus and overall configuration
    SWITCH TYPE: Pushbutton on/mode change/off on barrel
    BEZEL: Plastic; plastic window protects LED and reflector
    BATTERY: 1 lithium-ion 14500 cell
    CURRENT CONSUMPTION: Unknown/unable to measure
    WATER RESISTANT: Splash- and weather-resistant at absolute minimum
    SUBMERSIBLE: No, probably not
    ACCESSORIES: 14500 cell, charging cradle, wall-wart charger
    WARRANTY: None (user-modified product)


    Product is of a homemade nature, and will not be rated.

3W Prolight RGB LED Flashlight Modification *

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